“In "The Four Sacred Hearts", the theory of "Qi" is the core, and Huang Yuanyu emphasizes the importance of Qi in the rise and fall of the spleen and stomach. His theory has a profound impact on the treatment of digestive system diseases. Based on this, experts have explored the relationship between qi and four dimensions, qi and blood, and water dampness, and summarized the treatment characteristics of tonifying yang, suppressing yin, and promoting qi circulation, providing new references for clinical practice.”